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- W2314830082 abstract "배나무는 원산지와 분화방향에 따라 유럽, 미국, 호주 등에서 주로 재배되는 서양배와 중국, 일본, 한국 등 동남 아시아 지역을 중심으로 분포 및 재배되고 있는 동양배로 구분된다. 17개의 기본염색체를 가진 배나무는 대부분 이배성(2n=2x=34)이며, 단일 S 유전자좌에 의해 조절되는 자가불화합성과 과수 작물의 주요 특징인 유년성으로 인해 유전 연구 및 정밀한 품종 육성에 큰 제한을 받고 있다. 배나무속 식물의 유전연구는 분자생물학 관련 기술의 발달로 다양한 형태의 분자 표지의 개발이 이루어짐과 동시에 유연관계분석, 유전자지도작성, QTL 분석과 같은 다양한 유전연구에 활발히 이용되었다. 또한 배나무의 유전자지도는 병 저항성이나 다양한 유용형질과 연관된 QTL 확인을 위한 연구로 이어지고 있다. 대량 병렬 반응 및 다중처리를 토대로 획기적인 염기서열 분석 비용의 감소를 이뤄낸 NGS 기술은 대용량, 고효율, 저비용으로 식물 유전체 해독을 가능하게 하여, 중국배 'Danshansuli'와 유럽배 'Bartlett'에서 유전체 분석이 완료되었다. 최근 국내에서는 황금배, 청실리 및 미니배의 resequencing 및 GBS를 통한 SNP 탐색 등의 연구를 통해 화기, 숙기 당도 등 농업적으로 유용형질에 대한 게놈전체 연관분석을 수행하고 있다. 【Based on the place of its origin, pear tree (Pyrus spp.) is largely divided into European pears (P. communis, cultivated mainly in Europe and the U.S.) and Asian pears (P. pyrifolia, P. bretschneideri, and P. ussuriensis, distributed and grown in East Asian countries including China, Japan, and Korea). Most pear trees have 17 chromosomes (diploidy, 2n=2x=34). Their genetic studies and precise cultivar breeding are highly restricted by conditions such as self-incompatibility controlled by S-locus and juvenility as one major character of fruit crops. Genetic studies on Pyrus have been promoted by the development of various molecular markers. These markers are being utilized actively in various genetic studies, including genetic relationship analysis, genetic mapping, and QTL analysis. In addition, research on pear genetic linkage maps has been extended to studies for the identification of QTL for target traits such as disease resistance and genetic loci of useful traits. NGS technology has radically reduced sequencing expenses based on massive parallel reactions to enable high-capacity and high-efficiency. NGS based genome analyses have been completed for Chinese pear 'Danshansuli' and European pear 'Bartlett'. In Korea, GWAS for agricultural valuable traits such as floral structure, ripening, and total soluble contents have been conducted through resequencing. GBS has been performed for 'Whangkeumbae', 'Cheongsilri', and 'Minibae'.】" @default.
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- W2314830082 date "2015-12-31" @default.
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- W2314830082 title "Researches of pear tree (Pyrus spp.) genomics" @default.
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- W2314830082 doi "https://doi.org/10.5010/jpb.2015.42.4.290" @default.
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